315781164

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1489}}^1$

素因数の和:1679

約数の個数: 72

約数和(自身を含む): 823302480

約数和(自身を除く): 507521316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 137, 172, 258, 274, 387, 411, 516, 548, 774, 822, 1233, 1489, 1548, 1644, 2466, 2978, 4467, 4932, 5891, 5956, 8934, 11782, 13401, 17673, 17868, 23564, 26802, 35346, 53019, 53604, 64027, 70692, 106038, 128054, 192081, 203993, 212076, 256108, 384162, 407986, 576243, 611979, 768324, 815972, 1152486, 1223958, 1835937, 2304972, 2447916, 3671874, 7343748, 8771699, 17543398, 26315097, 35086796, 52630194, 78945291, 105260388, 157890582, 315781164]

約数ペア:

[(1, 315781164), (2, 157890582), (3, 105260388), (4, 78945291), (6, 52630194), (9, 35086796), (12, 26315097), (18, 17543398), (36, 8771699), (43, 7343748), (86, 3671874), (129, 2447916), (137, 2304972), (172, 1835937), (258, 1223958), (274, 1152486), (387, 815972), (411, 768324), (516, 611979), (548, 576243), (774, 407986), (822, 384162), (1233, 256108), (1489, 212076), (1548, 203993), (1644, 192081), (2466, 128054), (2978, 106038), (4467, 70692), (4932, 64027), (5891, 53604), (5956, 53019), (8934, 35346), (11782, 26802), (13401, 23564), (17673, 17868)]